Down from $299 (20% off). RRP $349.99. Also available on the Big W website with $7.90 delivery only. If you purchase from eBay you'll get free delivery with eBay Plus. You can sign up to 1 month eBay Plus for $4.99 if you wanted to save a few dollars on delivery. Otherwise Big W site might be best for points etc. Discounted gift cards also available, see wiki.
More info: LEGO website.
Credit to Little Birdie for price drop.
Edit: Also available at Amazon AU with free delivery - Thanks PissLUR